Home / 15,909.21-23,838.30-11,529.14

Finding the Fourth Proportional to 15,909.21, 23,838.30 and 11,529.14

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Solution

The fourth proportional to 15,909.21, 23,838.30 and 11,529.14 is: 17,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.21 : 23,838.30 = 11,529.14 : x
  2. Step 2: Convert to fraction form
    15,909.21/23,838.30 = 11,529.14/x
  3. Step 3: Cross multiply
    15,909.21x = 23,838.30 × 11,529.14
  4. Step 4: Simplify right side
    15,909.21x = 274,834,978.87
  5. Step 5: Solve for x
    x = 274,834,978.87/15,909.21
  6. Step 6: Final answer
    x = 17,275.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.